All ICD10 Codes

L98.5

Billable
ChapterL00–L99
Ranksubcategory
Official Description

Mucinosis of the skin

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 12: Diseases of the Skin and Subcutaneous Tissue (L00-L99).

Instructional Notes

Includes
  • Focal mucinosis
  • Lichen myxedematosus
  • Reticular erythematous mucinosis
Excludes1(Not coded here)
General instructions are available for the parent sections:
View CH12 Notes

Clinical Hierarchy

CH12Diseases of the skin and subcutaneous tissue (L00-L99)
L80-L99Other disorders of the skin and subcutaneous tissue (L80-L99)
L98Other disorders of skin and subcutaneous tissue, not elsewhere classified
L98.5Mucinosis of the skin

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to L98.5:

chapterCH12
Diseases of the skin and subcutaneous tissue (L00-L99)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to L98.5. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

6 raw paths
Lichen1 unique routes
myxedematosus→L98.5
Mucinosis (cutaneous) (focal) (papular) (reticular erythematous) (skin)1 unique routes
Direct index entry→L98.5
Myxedema (adult) (idiocy) (infantile) (juvenile)2 unique routes
cutis→L98.5
papular→L98.5
Reticular erythematous mucinosis1 unique routes
Direct index entry→L98.5
Scleromyxedema1 unique routes
Direct index entry→L98.5

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 606
Minor Skin Disorders with MCC
DRG 607
Minor Skin Disorders without MCC

Cross Reference

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